function processMsg () {
	if(document.getElementById('processMsg') != null) {
		setTimeout("document.getElementById('processMsg').style.display='block'", 100);
	}
}

function visibleElement(elementId) {
	try {
		if(document.getElementById(elementId) != null) {	
			element=document.getElementById(elementId);
			setTimeout("element.style.display='block'", 100);
		}
	} catch (e) {
	}
}

function invisibleElements(elementSize, elementId) {
	try {
		pos = 0;
		while(pos<elementSize){
			if(document.getElementById(elementId+pos) != null) {	
				document.getElementById(elementId+pos).style.display='none';
			}
			pos=pos+1;
		}
	} catch (e) {
	}
}




function setContentOnPageload(elementNr, preview, link_row) {

	if(document.getElementById('full-content-row' + elementNr) != null) {	
		//set style
		document.getElementById('preview-row' + elementNr).style.display='block';
		document.getElementById('full-content-row' + elementNr).style.display='none';
		document.getElementById('link-row' + elementNr).style.display='block';
		//show preview-row	
		document.getElementById('preview-row' + elementNr).innerHTML = preview;
		mediaInfotext[elementNr] = new Object();
		mediaInfotext[elementNr]["content"] = document.getElementById('full-content-row' + elementNr).innerHTML;
	
		document.getElementById('full-content-row' + elementNr).innerHTML = '&nbsp;';
		document.getElementById('link-row' + elementNr).innerHTML = link_row;
	}
	
}


function displayContent(elementNr) {
	if(document.getElementById('link-more' + elementNr) != null && 
		document.getElementById('link-more' + elementNr).firstChild != null &&
		document.getElementById('preview-row' + elementNr) != null && 
		document.getElementById('full-content-row' + elementNr) != null) {
		
		//show full-content-row
		if(document.getElementById('link-more' + elementNr).firstChild.nodeValue=='>>') {
		
			document.getElementById('full-content-row' + elementNr).innerHTML = mediaInfotext[elementNr]["content"];
			mediaInfotext[elementNr]["content"] = document.getElementById('preview-row' + elementNr).innerHTML;
			document.getElementById('preview-row' + elementNr).innerHTML = '&nbsp;';
			
			document.getElementById('preview-row' + elementNr).style.display='none';
			document.getElementById('full-content-row' + elementNr).style.display='block';
						
			document.getElementById('link-more' + elementNr).firstChild.nodeValue='<<';	
			
			
		} else {//show preview
		
			document.getElementById('preview-row' + elementNr).innerHTML = mediaInfotext[elementNr]["content"];
			mediaInfotext[elementNr]["content"] = document.getElementById('full-content-row' + elementNr).innerHTML;
			document.getElementById('full-content-row' + elementNr).innerHTML = '&nbsp;';
			
		
			document.getElementById('full-content-row' + elementNr).style.display='none';
			document.getElementById('preview-row' + elementNr).style.display='block';
			
			document.getElementById('link-more' + elementNr).firstChild.nodeValue='>>';
		}		
				
	}	
}